Bitmessage/PyBitmessage-2024-08-21
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protocol: bytes everywhere in CreatePacket and assembleVersionMessage

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This commit is contained in:
Dmitri Bogomolov 2021-07-21 20:36:33 +03:00
parent a94ff1efd3
commit 8a5d90f200
Signed by untrusted user: g1itch
GPG Key ID: 720A756F18DEED13
1 changed files with 6 additions and 6 deletions
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12
src/protocol.py
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@ -284,7 +284,7 @@ def isProofOfWorkSufficient(
# Packet creation
def CreatePacket(command, payload=''):
def CreatePacket(command, payload=b''):
"""Construct and return a packet"""
payload_length = len(payload)
checksum = hashlib.sha512(payload).digest()[0:4]
@ -302,7 +302,7 @@ def assembleVersionMessage(
Construct the payload of a version message,
return the resulting bytes of running `CreatePacket` on it
"""
payload = ''
payload = b''
payload += pack('>L', 3) # protocol version.
# bitflags of the services I offer.
payload += pack(
@ -337,7 +337,7 @@ def assembleVersionMessage(
)
# = 127.0.0.1. This will be ignored by the remote host.
# The actual remote connected IP will be used.
payload += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + pack(
payload += b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + pack(
'>L', 2130706433)
# we have a separate extPort and incoming over clearnet
# or outgoing through clearnet
@ -359,7 +359,7 @@ def assembleVersionMessage(
payload += nodeid[0:8]
else:
payload += eightBytesOfRandomDataUsedToDetectConnectionsToSelf
userAgent = '/PyBitmessage:' + softwareVersion + '/'
userAgent = ('/PyBitmessage:%s/' % softwareVersion).encode('utf-8')
payload += encodeVarint(len(userAgent))
payload += userAgent
@ -373,7 +373,7 @@ def assembleVersionMessage(
if count >= 160000:
break
return CreatePacket('version', payload)
return CreatePacket(b'version', payload)
def assembleErrorMessage(fatal=0, banTime=0, inventoryVector='', errorText=''):
@ -387,7 +387,7 @@ def assembleErrorMessage(fatal=0, banTime=0, inventoryVector='', errorText=''):
payload += inventoryVector
payload += encodeVarint(len(errorText))
payload += errorText
return CreatePacket('error', payload)
return CreatePacket(b'error', payload)
# Packet decoding